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Finding the Fourth Proportional to 302,101.98, 453,089.10 and 88,812

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Solution

The fourth proportional to 302,101.98, 453,089.10 and 88,812 is: 133,199.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,101.98 : 453,089.10 = 88,812 : x
  2. Step 2: Convert to fraction form
    302,101.98/453,089.10 = 88,812/x
  3. Step 3: Cross multiply
    302,101.98x = 453,089.10 × 88,812
  4. Step 4: Simplify right side
    302,101.98x = 40,239,749,149.20
  5. Step 5: Solve for x
    x = 40,239,749,149.20/302,101.98
  6. Step 6: Final answer
    x = 133,199.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.